Using the Joby Wavo PLUS shotgun microphone is easy. First, connect it to your recording device. Make sure it's properly attached so you get the best sound. When recording, point the microphone towards the sound source for clear audio. As for maintenance, keep it in a dry place and clean it gently with a soft cloth regularly. Avoid dropping it or exposing it to extreme temperatures. Also, check the connections periodically to ensure everything is working well.